<template>
    <div id="app">
        <table class="tb">
            <tr>
                <th>编号</th>
                <th>品牌名称</th>
                <th>创立时间</th>
                <th>操作</th>
            </tr>
            <!-- 循环渲染的元素tr -->
            <tr v-for="(item,index) in list" :key="index">
                <td>{{item.id}}</td>
                <td>{{item.name}}</td>
                <td>{{item.time}}</td>
                <td>
                    <button @click="btn(index)">删除</button>
                </td>
            </tr>
            <tr>
                <td v-show="list.length==0" colspan="4">没有数据咯~</td>
            </tr>
        </table>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                list: [{
                        id: 1,
                        name: "奔驰",
                        time: "2020-08-01"
                    },
                    {
                        id: 2,
                        name: "宝马",
                        time: "2020-08-02"
                    },
                    {
                        id: 3,
                        name: "奥迪",
                        time: "2020-08-03"
                    },
                ],

            };

        },
        methods: {
            btn(ind) {
                this.list.splice(ind, 1)
            }
        }
    };
</script>

<style>
    #app {
        width: 600px;
        margin: 10px auto;
    }

    .tb {
        border-collapse: collapse;
        width: 100%;
    }

    .tb th {
        background-color: #0094ff;
        color: white;
    }

    .tb td,
    .tb th {
        padding: 5px;
        border: 1px solid black;
        text-align: center;
    }

    .add {
        padding: 5px;
        border: 1px solid black;
        margin-bottom: 10px;
    }
</style>